Submission #65926

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
65926	2018-08-09 06:10:31	ikura355	Cake (CEOI14_cake)	C++14	100 / 100	659 ms	6300 KiB

cake

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#include<bits/stdc++.h>
using namespace std;
const int maxn = 250000 + 5;
int n,st,q;
int a[maxn];
int pos[maxn];
int limit;
int seg[maxn*4];
void init() {
    limit = 1;
    while(limit<=n) limit*=2;
}
void update(int x, int val) {
    x += limit;
    seg[x] = val;
    while(x) {
        x/=2;
        seg[x] = max(seg[x<<1], seg[x<<1|1]);
    }
}
int query(int l, int r) {
    int ans = 0;
    l += limit; r += limit;
    while(l<r) {
        if(l%2!=0) ans = max(ans, seg[l++]);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

cake.cpp: In function 'int main()':
cake.cpp:39:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&st);
  ~~~~~^~~~~~~~~~~~~~~
cake.cpp:40:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++) scanf("%d",&a[i]);
                        ~~~~~^~~~~~~~~~~~
cake.cpp:46:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&q);
  ~~~~~^~~~~~~~~
cake.cpp:48:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   char type; scanf(" %c",&type);
              ~~~~~^~~~~~~~~~~~~
cake.cpp:52:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    int x; scanf("%d",&x);
           ~~~~~^~~~~~~~~
cake.cpp:82:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    int x,ra; scanf("%d%d",&x,&ra);
              ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 15 / 15
• Subtask 3: 20 / 20
• Subtask 4: 50 / 50